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Derivatives - Additional Information (Detail)
$ in Millions
3 Months Ended
Mar. 31, 2019
USD ($)
Derivative [Line Items]  
Commencement date 2018-04
Expiration date Mar. 30, 2023
Designated as Hedging Instrument | Cash Flow Hedging | Interest Rate Contract  
Derivative [Line Items]  
Notional amount $ 119.0
Not Designated as Hedging Instrument | Foreign exchange contract  
Derivative [Line Items]  
Notional amount $ 13.5